/// <summary>
/// Internal for testing.
/// </summary>
internal static bool ValidHtmlTargetElementAttributeNames(
HtmlTargetElementAttribute attribute,
ErrorSink errorSink)
{
var validTagName = ValidateName(attribute.Tag, targetingAttributes: false, errorSink: errorSink);
IEnumerable<TagHelperRequiredAttributeDescriptor> requiredAttributeDescriptors;
var validRequiredAttributes = TryGetRequiredAttributeDescriptors(attribute.Attributes, errorSink, out requiredAttributeDescriptors);
var validParentTagName = ValidateParentTagName(attribute.ParentTag, errorSink);
return validTagName && validRequiredAttributes && validParentTagName;
}
/// <summary>
/// Internal for testing.
/// </summary>
internal static bool ValidHtmlTargetElementAttributeNames(
HtmlTargetElementAttribute attribute,
ErrorSink errorSink)
{
var validTagName = ValidateName(attribute.Tag, targetingAttributes: false, errorSink: errorSink);
var validAttributeNames = true;
var attributeNames = GetCommaSeparatedValues(attribute.Attributes);
foreach (var attributeName in attributeNames)
{
if (!ValidateName(attributeName, targetingAttributes: true, errorSink: errorSink))
{
validAttributeNames = false;
}
}
var validParentTagName = ValidateParentTagName(attribute.ParentTag, errorSink);
return(validTagName && validAttributeNames && validParentTagName);
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string typeName,
string assemblyName,
IEnumerable <TagHelperAttributeDescriptor> attributeDescriptors,
HtmlTargetElementAttribute targetElementAttribute,
IEnumerable <string> allowedChildren,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
var requiredAttributes = GetCommaSeparatedValues(targetElementAttribute.Attributes);
return(BuildTagHelperDescriptor(
targetElementAttribute.Tag,
typeName,
assemblyName,
attributeDescriptors,
requiredAttributes,
allowedChildren,
targetElementAttribute.ParentTag,
targetElementAttribute.TagStructure,
designTimeDescriptor));
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
HtmlTargetElementAttribute targetElementAttribute,
IEnumerable<string> allowedChildren,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
IEnumerable<TagHelperRequiredAttributeDescriptor> requiredAttributeDescriptors;
TryGetRequiredAttributeDescriptors(targetElementAttribute.Attributes, errorSink: null, descriptors: out requiredAttributeDescriptors);
return BuildTagHelperDescriptor(
targetElementAttribute.Tag,
typeName,
assemblyName,
attributeDescriptors,
requiredAttributeDescriptors,
allowedChildren,
targetElementAttribute.ParentTag,
targetElementAttribute.TagStructure,
designTimeDescriptor);
}
/// <summary>
/// Internal for testing.
/// </summary>
internal static bool ValidHtmlTargetElementAttributeNames(
HtmlTargetElementAttribute attribute,
ErrorSink errorSink)
{
var validTagName = ValidateName(attribute.Tag, targetingAttributes: false, errorSink: errorSink);
var validAttributeNames = true;
var attributeNames = GetCommaSeparatedValues(attribute.Attributes);
foreach (var attributeName in attributeNames)
{
if (!ValidateName(attributeName, targetingAttributes: true, errorSink: errorSink))
{
validAttributeNames = false;
}
}
var validParentTagName = ValidateParentTagName(attribute.ParentTag, errorSink);
return validTagName && validAttributeNames && validParentTagName;
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
HtmlTargetElementAttribute targetElementAttribute,
IEnumerable<string> allowedChildren,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
var requiredAttributes = GetCommaSeparatedValues(targetElementAttribute.Attributes);
return BuildTagHelperDescriptor(
targetElementAttribute.Tag,
typeName,
assemblyName,
attributeDescriptors,
requiredAttributes,
allowedChildren,
targetElementAttribute.ParentTag,
targetElementAttribute.TagStructure,
designTimeDescriptor);
}
public void ValidHtmlTargetElementAttributeNames_CreatesErrorOnInvalidNames(
string name, string[] expectedErrorMessages)
{
// Arrange
var errorSink = new ErrorSink();
var attribute = new HtmlTargetElementAttribute(name);
// Act
TagHelperDescriptorFactory.ValidHtmlTargetElementAttributeNames(attribute, errorSink);
// Assert
var errors = errorSink.Errors.ToArray();
Assert.Equal(expectedErrorMessages.Length, errors.Length);
for (var i = 0; i < expectedErrorMessages.Length; i++)
{
Assert.Equal(0, errors[i].Length);
Assert.Equal(SourceLocation.Zero, errors[i].Location);
Assert.Equal(expectedErrorMessages[i], errors[i].Message, StringComparer.Ordinal);
}
}
